This Automatic Liquid Drainer - Type ALD helps to facilitate the movement of liquid refrigerant while preventing the movement of refrigerant in the form of vapour. Its intended application is to drain liquid into a system component that is under reduced pressure from heat recovery condensers or defrosting evaporators. Improved operational efficiency is provided by this Automatic Liquid Drainer - Type ALD. This liquid drainer features a small design and is reasonably priced. One of its biggest advantages is that it needs very little upkeep.